// yield/sockets/win32/datagram_socket_pair.cpp

// Copyright (c) 2011 Minor Gordon
// All rights reserved

// This source file is part of the Yield project.

// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Yield project nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL Minor Gordon BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "winsock.hpp"
#include "yield/sockets/datagram_socket_pair.hpp"

namespace yield {
namespace sockets {
DatagramSocketPair::DatagramSocketPair() {
  sockets[0] = new DatagramSocket(AF_INET);
  sockets[1] = new DatagramSocket(AF_INET);

  try {
    SocketAddress socknames[2];
    for (uint8_t i = 0; i < 2; ++i) {
      if (sockets[i]->bind(SocketAddress::IN_LOOPBACK)) {
        if (!sockets[i]->getsockname(socknames[i]))
          throw Exception();
      } else
        throw Exception();
    }

    for (uint8_t i = 0; i < 2; ++i) {
      if (!sockets[i]->connect(socknames[(i+1)%2]))
        throw Exception();
    }
  } catch (Exception&) {
    for (uint8_t i = 0; i < 2; ++i)
      DatagramSocket::dec_ref(*sockets[i]);
    throw;
  }
}
}
}
